Work on the profiler

src/GC/include/event.hpp

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <chrono>
+#include <time.h>
 #include <iostream>
 #include <list>
 
@@ -20,34 +20,31 @@ namespace GC
         ReusedChunk
     };
 
-    using TimeStamp = std::chrono::_V2::system_clock::time_point;
-
     class GCEvent
     {
     private:
         // make const
         GCEventType m_type;
-        TimeStamp m_timestamp;
+        std::time_t m_timestamp;
         Chunk *m_chunk;
 
     public:
         GCEvent(GCEventType type)
         {
             m_type = type;
-            m_timestamp = std::chrono::system_clock::now();
+            m_timestamp = std::time(NULL);
         }
 
         GCEvent(GCEventType type, Chunk *chunk)
         {
             m_type = type;
-            m_timestamp = std::chrono::system_clock::now();
+            m_timestamp = std::time(NULL);
             m_chunk = chunk;
         }
 
         GCEventType getType();
-        TimeStamp getTimeStamp();
+        std::time_t getTimeStamp();
         Chunk *getChunk();
-
+        const char *TypeToString();
-        void print(std::ostream &out);
     };
 }

src/GC/include/heap.hpp

@@ -24,7 +24,6 @@ namespace GC
 	{
 
 	private:
-		// Private constructor according to the singleton pattern
 		Heap()
 		{
 			m_heap = static_cast<char *>(malloc(HEAP_SIZE));
@@ -32,14 +31,13 @@ namespace GC
 			m_allocated_size = 0;
 		}
 
-		// BEWARE only for testing, this should be adressed
 		~Heap()
 		{
 			std::free((char *)m_heap);
 		}
 
 		inline static Heap *the()
-		{					// TODO: make private
+		{
 			if (m_instance) // if m_instance is not a nullptr
 				return m_instance;
 			m_instance = new Heap();
@@ -71,7 +69,6 @@ namespace GC
 		uintptr_t *m_stack_top = nullptr;
 		bool m_profiler_enable = false;
 
-		// maybe change to std::list
 		std::vector<Chunk *> m_allocated_chunks;
 		std::vector<Chunk *> m_freed_chunks;
 
@@ -89,7 +86,7 @@ namespace GC
 
 		// DEBUG ONLY
 		static inline Heap *debug_the()
-		{					// TODO: make private
+		{
 			if (m_instance) // if m_instance is not a nullptr
 				return m_instance;
 			m_instance = new Heap();

src/GC/include/profiler.hpp

@@ -23,9 +23,11 @@ namespace GC {
         inline static Profiler *m_instance = nullptr;
         std::vector<GCEvent *> m_events;
 
+        std::ofstream createFileStream();
+
     public:
         static void record(GCEventType type);
         static void record(GCEventType type, Chunk *chunk);
-        static void printTrace();
+        static void dumpTrace();
     };
 }

src/GC/lib/event.cpp

@@ -6,21 +6,36 @@
 #include "event.hpp"
 #include "heap.hpp"
 
-namespace GC {
+namespace GC
-    
+{
-    GCEventType GCEvent::getType() {
+
+    GCEventType GCEvent::getType()
+    {
         return m_type;
     }
 
-    TimeStamp GCEvent::getTimeStamp() {
+    std::time_t GCEvent::getTimeStamp()
+    {
         return m_timestamp;
     }
 
-    Chunk *GCEvent::getChunk() {
+    Chunk *GCEvent::getChunk()
+    {
         return m_chunk;
     }
 
-    void GCEvent::print(std::ostream &out) {
+    inline const char *GCEvent::TypeToString()
-        assert(false && "TODO: unimplemented");
+    {
+        switch (m_type)
+        {
+            case CollectStart:  return "CollectStart";
+            case MarkStart:     return "MarkStart";
+            case ChunkMarked:   return "ChunkMarked";
+            case ChunkSwept:    return "ChunkSwept";
+            case ChunkFreed:    return "ChunkFreed";
+            case NewChunk:      return "NewChunk";
+            case ReusedChunk:   return "ReusedChunk";
+            default:            return "[Unknown]";
+        }
     }
 }

src/GC/lib/profiler.cpp

@@ -1,4 +1,8 @@
+#include <ctime>
+#include <cstring>
 #include <iostream>
+#include <fstream>
+#include <time.h>
 #include <vector>
 
 #include "chunk.hpp"
@@ -6,26 +10,49 @@
 #include "heap.hpp"
 #include "profiler.hpp"
 
-namespace GC {
+namespace GC
-    void Profiler::record(GCEventType type) {
+{
+    void Profiler::record(GCEventType type)
+    {
         auto event = new GCEvent(type);
         auto profiler = Profiler::the();
         profiler->m_events.push_back(event);
     }
 
-    void Profiler::record(GCEventType type, Chunk *chunk) {
+    void Profiler::record(GCEventType type, Chunk *chunk)
+    {
         auto event = new GCEvent(type, chunk);
         auto profiler = Profiler::the();
         profiler->m_events.push_back(event);
     }
 
-    void Profiler::printTrace() {
+    void Profiler::dumpTrace()
+    {
         auto profiler = Profiler::the();
         auto start = profiler->m_events.begin();
         auto end = profiler->m_events.end();
-        while (start != end) {
+
+        std::ofstream fstr = profiler->createFileStream();
+
+        while (start != end)
+        {
             auto event = *start++;
-            event->print(std::cout);
+
+            fstr << "--------------------------------"
+                 << event->TypeToString()
+                 << event->getTimeStamp
         }
     }
+
+    std::ofstream createFileStream()
+    {
+        std::time_t tt = std::time(NULL);
+        std::tm *ptm = std::localtime(&tt);
+
+        char buffer[32];
+        std::strftime(buffer, 32, "/profiler/log_%a_%H_%M_%S.txt", ptm);
+
+        std::ofstream fstr(buffer);
+        return fstr;
+    }
 }

src/GC/tests/advance.cpp

@@ -1,34 +1,48 @@
+#include <chrono>
+#include <cstring>
 #include <iostream>
 #include <list>
+#include <time.h>
 #include <stdlib.h>
 
-using namespace std;
-
 int main() {
-    list<char> l;
+    // list<char> l;
-    char c = 'a';
+    // char c = 'a';
-    for (int i = 1; i <= 5; i++) {
+    // for (int i = 1; i <= 5; i++) {
-        l.push_back(c++);
+    //     l.push_back(c++);
-    }
+    // }
 
-    auto iter = l.begin();
+    // auto iter = l.begin();
-    auto stop = l.end();
+    // auto stop = l.end();
 
-    while (iter != stop) {
+    // while (iter != stop) {
-        cout << *iter << " ";
+    //     cout << *iter << " ";
      
-        iter++;
+    //     iter++;
-    }
+    // }
-    cout << endl;
+    // cout << endl;
-    iter = l.begin();
+    // iter = l.begin();
-    while (*iter != *stop) {
+    // while (*iter != *stop) {
-        cout << *iter << " ";
+    //     cout << *iter << " ";
-        iter++;
+    //     iter++;
-    }
+    // }
-    cout << endl;
+    // cout << endl;
 
-    cout << "rebased" << endl;
+    // cout << "rebased" << endl;
     // cout << "iter: " << *iter << "\nstop: " << *stop << endl;
 
+    // TimeStamp ts = std::chrono::system_clock::now();
+    // std::time_t tt = std::chrono::system_clock::to_time_t(ts);
+    // std::string tstr = std::ctime(&tt);
+    // tstr.resize(tstr.size()-1);
+    // std::cout << tstr << std::endl;
+
+    char buffer[31];
+    std::time_t tt = std::time(NULL);
+    std::tm *ptm = std::localtime(&tt);
+    std::strftime(buffer, 31, "/profiler/log_%a_%H_%M_%S.txt", ptm);
+    std::cout << buffer << std::endl;
+
+
     return 0;
 }